4f810186ab
1. update cv182x/cv183x configuration file 2. update cv181x/cv180x configuration file 3. update clk driver for cvitek 4. update dma driver for cvitek 5. update soc driver for cvitek 6. porting cvitek ion driver from kernel-4.19 7. compatible with riscv Change-Id: Icff9fafe0ebe7d6bab824bbadb952e08bdc66c19
247 lines
6.2 KiB
C
247 lines
6.2 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* Machine driver for CVITEK DAC on CVITEK CV181X
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*
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* Copyright 2019 CVITEK
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*
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* Author: EthanChen
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*
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*/
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#include <linux/module.h>
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#include <linux/device.h>
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#include <sound/core.h>
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#include <sound/pcm.h>
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#include <sound/soc.h>
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#include <sound/pcm_params.h>
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#include <linux/io.h>
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#include <linux/proc_fs.h>
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#include <linux/seq_file.h>
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#include <linux/uaccess.h>
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#include "../codecs/cv181xadac.h"
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#include <linux/version.h>
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bool proc_ao_not_allocted = true;
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static int cv181x_dac_hw_params(struct snd_pcm_substream *substream,
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struct snd_pcm_hw_params *params)
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{
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return 0;
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}
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static int cv181x_dac_codec_init(struct snd_soc_pcm_runtime *rtd)
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{
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return 0;
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}
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static struct snd_soc_ops cv181x_dac_ops = {
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.hw_params = cv181x_dac_hw_params,
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};
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static struct snd_soc_dai_link_component cv181x_dac_cpus = {
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.name = "4130000.i2s",
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.dai_name = "4130000.i2s",
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};
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static struct snd_soc_dai_link_component cv181x_dac_codecs = {
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.name = "300a000.dac",
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.dai_name = "cvitekadac",
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};
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static struct snd_soc_dai_link_component cv181x_dac_platform = {
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.name = "4130000.i2s",
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.dai_name = "4130000.i2s",
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};
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static struct snd_soc_dai_link cv181x_dac_dai = {
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.name = "cviteka-i2s-dac",
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.stream_name = "cviteka-dac",
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.cpus = &cv181x_dac_cpus,
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.num_cpus = 1,
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.codecs = &cv181x_dac_codecs,
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.num_codecs = 1,
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.platforms = &cv181x_dac_platform,
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.num_platforms = 1,
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.ops = &cv181x_dac_ops,
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.init = cv181x_dac_codec_init,
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.dai_fmt = SND_SOC_DAIFMT_I2S
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| SND_SOC_DAIFMT_IB_IF
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| SND_SOC_DAIFMT_CBS_CFS,
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.playback_only = 1,
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};
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static struct snd_soc_card cv181x_dac = {
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.owner = THIS_MODULE,
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.dai_link = &cv181x_dac_dai,
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.num_links = 1,
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};
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static int cv181x_dac_proc_show(struct seq_file *m, void *v)
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{
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void __iomem *i2s3;
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void __iomem *dac;
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void __iomem *audio_pll;
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void __iomem *sdma_pll;
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u32 audio_freq;
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u32 val1, val2, val3;
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i2s3 = ioremap(0x04130000, 0x100);
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dac = ioremap(0x0300A000, 0x100);
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audio_pll = ioremap(0x3002854, 0x10);
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sdma_pll = ioremap(0x3002004, 0x10);
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if (readl(audio_pll) == 0x179EDCFA)//406.4256MHz
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audio_freq = 22579200;
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else if (readl(audio_pll) == 0x249f0000) {
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audio_freq = 16384000;
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} else
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audio_freq = 24576000;
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seq_puts(m, "\n------------- CVI AO ATTRIBUTE -------------\n");
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seq_puts(m, "AiDev Workmode SampleRate BitWidth\n");
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val1 = (readl(i2s3) >> 1) & 0x1;
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val2 = audio_freq/((readl(i2s3 + 0x64) & 0x0000ffff)*(0x1 << (readl(dac + AUDIO_PHY_TXDAC_CTRL1) & 0x3))*64*4);
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val3 = ((readl(i2s3 + 0x10) >> 1) & 0x3) * 16;
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seq_printf(m, " %d %s %6d %2d\n", 1, val1 == 0 ? "slave" : "master", val2, val3);
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seq_puts(m, "\n");
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seq_puts(m, "------------- CVI AO STATUS -------------\n");
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val1 = (readl(i2s3 + 0x18));
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seq_printf(m, "I2S3 is %s\n", val1 == 1 ? "on" : "off");
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seq_puts(m, "\n");
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val1 = (readl(sdma_pll) & 0x00000002) >> 1;
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seq_printf(m, "SDMA clk is %s\n", val1 == 1 ? "on" : "off");
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val1 = (readl(dac + AUDIO_PHY_TXDAC_CTRL0)
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& (AUDIO_PHY_REG_TXDAC_EN_MASK | AUDIO_PHY_REG_I2S_RX_EN_MASK));
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seq_printf(m, "DAC is %s (%d)\n", val1 == 3 ? "on" : "off", val1);
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val2 = (readl(dac + AUDIO_PHY_TXDAC_ANA2) & AUDIO_PHY_REG_DA_DEML_TXDAC_OW_EN_MASK) >> 16;
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val3 = (readl(dac + AUDIO_PHY_TXDAC_ANA2) & AUDIO_PHY_REG_DA_DEMR_TXDAC_OW_EN_MASK) >> 17;
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seq_puts(m, "L-Mute R-Mute\n");
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seq_printf(m, " %s %s\n", val2 == 1 ? "yes" : "no", val3 == 1 ? "yes" : "no");
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seq_puts(m, "\n");
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val2 = ((readl(dac + AUDIO_PHY_TXDAC_AFE1) & AUDIO_PHY_REG_TXDAC_GAIN_UB_0_MASK) + 1)
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/ CV181X_DAC_VOL_STEP;
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val3 = (((readl(dac + AUDIO_PHY_TXDAC_AFE1) & AUDIO_PHY_REG_TXDAC_GAIN_UB_1_MASK) >> 16) + 1)
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/ CV181X_DAC_VOL_STEP;
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seq_puts(m, "L-Vol R-Vol\n");
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seq_printf(m, " %d %d\n", val2, val3);
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seq_puts(m, "\n");
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iounmap(i2s3);
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iounmap(dac);
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iounmap(audio_pll);
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iounmap(sdma_pll);
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return 0;
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}
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static int seq_cv181x_dac_open(struct inode *inode, struct file *file)
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{
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return single_open(file, cv181x_dac_proc_show, PDE_DATA(inode));
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}
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static const struct proc_ops cv181x_dac_proc_ops = {
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.proc_read = seq_read,
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.proc_open = seq_cv181x_dac_open,
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.proc_release = single_release,
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};
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static const struct of_device_id cvi_audio_match_ids[] = {
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{
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.compatible = "cvitek,cv182xa-dac",
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//.data = (void *) &cv182xa_dac_dai,
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},
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{ }
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};
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MODULE_DEVICE_TABLE(of, cvi_audio_match_ids);
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static int cv181x_dac_probe(struct platform_device *pdev)
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{
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struct snd_soc_card *card;
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struct device_node *np = pdev->dev.of_node;
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struct proc_dir_entry *proc_ao;
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dev_info(&pdev->dev, "cviteka_dac_probe, dev name=%s\n", dev_name(&pdev->dev));
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/* Ethan add, set pinmux by hard code temporary */
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card = &cv181x_dac;
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if (np) {
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of_property_read_string(np, "cvi,card_name", &card->name);
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card->dev = &pdev->dev;
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if (!proc_audio_dir) {
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proc_audio_dir = proc_mkdir("audio_debug", NULL);
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if (!proc_audio_dir)
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dev_err(&pdev->dev, "Error creating audio_debug proc folder entry\n");
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}
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if (proc_audio_dir && (proc_ao_not_allocted == true)) {
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proc_ao = proc_create_data("cviteka_dac", 0444, proc_audio_dir, &cv181x_dac_proc_ops, np);
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if (!proc_ao)
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dev_err(&pdev->dev, "Create cviteka_dac proc failed!\n");
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proc_ao_not_allocted = false;
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}
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platform_set_drvdata(pdev, card);
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return devm_snd_soc_register_card(&pdev->dev, card);
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}
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return 0;
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}
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#ifdef CONFIG_PM
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int cv181x_cv181xdac_suspend(struct device *dev)
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{
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return 0;
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}
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int cv181x_cv181xdac_resume(struct device *dev)
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{
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return 0;
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}
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int cv181x_cv181xdac_poweroff(struct device *dev)
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{
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return 0;
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}
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#else
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#define cv181x_cv181xdac_suspend NULL
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#define cv181x_cv181xdac_resume NULL
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#define cv181x_cv181xdac_poweroff NULL
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#endif
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const struct dev_pm_ops cv181x_cv181xdac_pm_ops = {
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.suspend = cv181x_cv181xdac_suspend,
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.resume = cv181x_cv181xdac_resume,
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.freeze = cv181x_cv181xdac_suspend,
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.thaw = cv181x_cv181xdac_resume,
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.poweroff = cv181x_cv181xdac_poweroff,
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.restore = cv181x_cv181xdac_resume,
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};
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static struct platform_driver cv181x_dac_driver = {
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.driver = {
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.name = "cviteka-dac",
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.pm = &cv181x_cv181xdac_pm_ops,
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.of_match_table = cvi_audio_match_ids,
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},
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.probe = cv181x_dac_probe,
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};
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module_platform_driver(cv181x_dac_driver);
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MODULE_AUTHOR("EthanChen");
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MODULE_DESCRIPTION("ALSA SoC cviteka dac driver");
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MODULE_LICENSE("GPL");
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MODULE_ALIAS("platform:cviteka-dac");
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